\input zb-basic
\input zb-ioport
\iteman{io-port 03655347}
\itemau{Degen, W.}
\itemti{MASYCA - eine interaktive Kommandosprache zur symbolischen Manipulation mathematischer Formeln.}
\itemso{Angew. Inform. 22, 18-26 (1980).}
\itemcc{}
\itemut{symbol manipulation; mathematical formula expressions; interactive program system; polynomials in several variables}
\itemli{}
\end